HRESULT node_remove_child(xmlnode *This, IXMLDOMNode* child, IXMLDOMNode** oldChild)
{
xmlnode *child_node;
if(!child) return E_INVALIDARG;
if(oldChild)
*oldChild = NULL;
child_node = get_node_obj(child);
if(!child_node) return E_FAIL;
if(child_node->node->parent != This->node)
{
WARN("childNode %p is not a child of %p\n", child, This);
return E_INVALIDARG;
}
xmlUnlinkNode(child_node->node);
child_node->parent = NULL;
xmldoc_add_orphan(child_node->node->doc, child_node->node);
if(oldChild)
{
IXMLDOMNode_AddRef(child);
*oldChild = child;
}
return S_OK;
}
static void xsltemplate_set_node( xsltemplate *This, IXMLDOMNode *node )
{
if (This->node) IXMLDOMNode_Release(This->node);
This->node = node;
if (node) IXMLDOMNode_AddRef(node);
}
HRESULT node_replace_child(xmlnode *This, IXMLDOMNode *newChild, IXMLDOMNode *oldChild,
IXMLDOMNode **ret)
{
xmlnode *old_child, *new_child;
xmlDocPtr leaving_doc;
xmlNode *my_ancestor;
int refcount = 0;
/* Do not believe any documentation telling that newChild == NULL
means removal. It does certainly *not* apply to msxml3! */
if(!newChild || !oldChild)
return E_INVALIDARG;
if(ret)
*ret = NULL;
old_child = get_node_obj(oldChild);
if(!old_child) return E_FAIL;
if(old_child->node->parent != This->node)
{
WARN("childNode %p is not a child of %p\n", oldChild, This);
return E_INVALIDARG;
}
new_child = get_node_obj(newChild);
if(!new_child) return E_FAIL;
my_ancestor = This->node;
while(my_ancestor)
{
if(my_ancestor == new_child->node)
{
WARN("tried to create loop\n");
return E_FAIL;
}
my_ancestor = my_ancestor->parent;
}
if(!new_child->node->parent)
if(xmldoc_remove_orphan(new_child->node->doc, new_child->node) != S_OK)
WARN("%p is not an orphan of %p\n", new_child->node, new_child->node->doc);
leaving_doc = new_child->node->doc;
if (leaving_doc != old_child->node->doc)
refcount = xmlnode_get_inst_cnt(new_child);
if (refcount) xmldoc_add_refs(old_child->node->doc, refcount);
xmlReplaceNode(old_child->node, new_child->node);
if (refcount) xmldoc_release_refs(leaving_doc, refcount);
new_child->parent = old_child->parent;
old_child->parent = NULL;
xmldoc_add_orphan(old_child->node->doc, old_child->node);
if(ret)
{
IXMLDOMNode_AddRef(oldChild);
*ret = oldChild;
}
return S_OK;
}
HRESULT node_insert_before(xmlnode *This, IXMLDOMNode *new_child, const VARIANT *ref_child,
IXMLDOMNode **ret)
{
IXMLDOMNode *before = NULL;
xmlnode *node_obj;
int refcount = 0;
xmlDocPtr doc;
HRESULT hr;
if(!new_child)
return E_INVALIDARG;
node_obj = get_node_obj(new_child);
if(!node_obj) return E_FAIL;
switch(V_VT(ref_child))
{
case VT_EMPTY:
case VT_NULL:
break;
case VT_UNKNOWN:
case VT_DISPATCH:
if (V_UNKNOWN(ref_child))
{
hr = IUnknown_QueryInterface(V_UNKNOWN(ref_child), &IID_IXMLDOMNode, (void**)&before);
if(FAILED(hr)) return hr;
}
break;
default:
FIXME("refChild var type %x\n", V_VT(ref_child));
return E_FAIL;
}
TRACE("new child %p, This->node %p\n", node_obj->node, This->node);
if(!node_obj->node->parent)
if(xmldoc_remove_orphan(node_obj->node->doc, node_obj->node) != S_OK)
WARN("%p is not an orphan of %p\n", node_obj->node, node_obj->node->doc);
refcount = xmlnode_get_inst_cnt(node_obj);
if(before)
{
xmlnode *before_node_obj = get_node_obj(before);
IXMLDOMNode_Release(before);
if(!before_node_obj) return E_FAIL;
/* unlink from current parent first */
if(node_obj->parent)
{
hr = IXMLDOMNode_removeChild(node_obj->parent, node_obj->iface, NULL);
if (hr == S_OK) xmldoc_remove_orphan(node_obj->node->doc, node_obj->node);
}
doc = node_obj->node->doc;
/* refs count including subtree */
if (doc != before_node_obj->node->doc)
refcount = xmlnode_get_inst_cnt(node_obj);
if (refcount) xmldoc_add_refs(before_node_obj->node->doc, refcount);
xmlAddPrevSibling(before_node_obj->node, node_obj->node);
if (refcount) xmldoc_release_refs(doc, refcount);
node_obj->parent = This->parent;
}
else
{
/* unlink from current parent first */
if(node_obj->parent)
{
hr = IXMLDOMNode_removeChild(node_obj->parent, node_obj->iface, NULL);
if (hr == S_OK) xmldoc_remove_orphan(node_obj->node->doc, node_obj->node);
}
doc = node_obj->node->doc;
if (doc != This->node->doc)
refcount = xmlnode_get_inst_cnt(node_obj);
if (refcount) xmldoc_add_refs(This->node->doc, refcount);
/* xmlAddChild doesn't unlink node from previous parent */
xmlUnlinkNode(node_obj->node);
xmlAddChild(This->node, node_obj->node);
if (refcount) xmldoc_release_refs(doc, refcount);
node_obj->parent = This->iface;
}
if(ret)
{
IXMLDOMNode_AddRef(new_child);
*ret = new_child;
}
TRACE("ret S_OK\n");
return S_OK;
}
